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The effect of refractive error on the accommodative response gradient: a summary and update.
1School of Optometry and Vision Sciences, Cardiff University, Cardiff, UK.
Summary
Near work may lead to lower accommodation in individuals with myopia. Subsequent studies confirm that accommodative lag, a form of inaccurate focusing, is associated with myopia development and progression.
Area of Science:
- Ophthalmology
- Optometry
- Vision Science
Background:
- The 1986 paper investigated the relationship between refractive error and the accommodative response gradient.
- Subsequent research has explored the impact of near work and accommodative accuracy on myopia.
Purpose of the Study:
- To summarize the original 1986 findings on refractive error and accommodation.
- To provide an overview of key research published since then regarding myopia and accommodation.
Main Methods:
- Literature review and synthesis of original and subsequent studies.
- Analysis of findings related to accommodative response, refractive error, and myopia progression.
Main Results:
- Intensive near work is linked to increased myopia prevalence.
- Accommodative lag, not necessarily increased accommodation, is associated with myopia.
- Near work leads to lower accommodation in myopes compared to emmetropes and hyperopes, especially in progressing myopia.
Conclusions:
- The original paper's premise regarding near work and accommodation in myopes is supported by later research.
- Accommodative lag is a consistently confirmed finding in studies of myopia.
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